def fn():
a = Foo()
b = Foo()
def break_if_a(obj, value):
return obj is a
pdb.break_on_setattr('bar', condition=break_if_a, set_trace=set_trace)(Foo)
b.bar = 10
a.bar = 42
def test_break_on_setattr():
# we don't use a class decorator to keep 2.5 compatibility
class Foo(object):
pass
Foo = pdb.break_on_setattr('x', set_trace=set_trace)(Foo)
def fn():
obj = Foo()
obj.x = 0
return obj.x
check(
fn, """
[NUM] > .*fn()
-> obj.x = 0
1 frame hidden .*
# hasattr(obj, 'x')
False
# n
[NUM] > .*fn()
-> return obj.x
# p obj.x
0
# c
""")
def test_break_on_setattr_overridden():
# we don't use a class decorator to keep 2.5 compatibility
class Foo(object):
def __setattr__(self, attr, value):
object.__setattr__(self, attr, value+1)
Foo = pdb.break_on_setattr('x', set_trace=set_trace)(Foo)
def fn():
obj = Foo()
obj.y = 41
obj.x = 0
return obj.x
check(fn, """
[NUM] > .*fn()
-> obj.x = 0
1 frame hidden .*
# obj.y
42
# hasattr(obj, 'x')
False
# n
[NUM] > .*fn()
-> return obj.x
# print obj.x
1
# c
""")
def test_break_on_setattr_condition():
def mycond(obj, value):
return value == 42
# we don't use a class decorator to keep 2.5 compatibility
class Foo(object):
pass
Foo = pdb.break_on_setattr('x', condition=mycond, set_trace=set_trace)(Foo)
def fn():
obj = Foo()
obj.x = 0
obj.x = 42
return obj.x
check(fn, """
[NUM] > .*fn()
-> obj.x = 42
1 frame hidden .*
# obj.x
0
# n
[NUM] > .*fn()
-> return obj.x
# obj.x
42
# c
""")
def test_break_on_setattr():
# we don't use a class decorator to keep 2.5 compatibility
class Foo(object):
pass
Foo = pdb.break_on_setattr('x', set_trace=set_trace)(Foo)
def fn():
obj = Foo()
obj.x = 0
return obj.x
check(fn, """
[NUM] > .*fn()
-> obj.x = 0
1 frame hidden .*
# hasattr(obj, 'x')
False
# n
[NUM] > .*fn()
-> return obj.x
# print obj.x
0
# c
""")
